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What is Rhyodacite?



Definition
0

Definition
Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite 0

History
0

Origin
USA 0

Discoverer
Unknown 0

Etymology
Rhyo lite + dacite : a rock intermediate between rhyolite and dacite that is the extrusive equivalent of granodiorite 0

Class
Igneous Rocks 0

Sub-Class
Durable Rock, Medium Hardness Rock 0

Family
0

Group
Volcanic 0

Other Categories
Fine Grained Rock, Opaque Rock 0

Texture
0

Texture
Earthy 0

Color
Black to Grey, Dark Greenish - Grey 0

Maintenance
More 0

Durability
Durable 0

Water Resistant
Yes 0

Scratch Resistant
Yes 0

Stain Resistant
No 0

Wind Resistant
No 0

Acid Resistant
No 0

Appearance
Skeletal 0

Uses
0

Architecture
0

Interior Uses
Decorative Aggregates, Interior Decoration 0

Exterior Uses
As Building Stone, Garden Decoration 0

Other Architectural Uses
Curbing 0

Industry
0

Construction Industry
As Dimension Stone, Construction Aggregate, for Road Aggregate, Landscaping 0

Medical Industry
Not Yet Used 0

Antiquity Uses
Artifacts 0

Other Uses
0

Commercial Uses
Cemetery Markers, Creating Artwork 0

Types
0

Types
Not Available 0

Features
Available in Lots of Colors and Patterns 0

Archaeological Significance
0

Monuments
Not Yet Used 0

Famous Monuments
Not Applicable 0

Sculpture
Not Yet Used 0

Famous Sculptures
Not Applicable 0

Pictographs
Used 0

Petroglyphs
Used 0

Figurines
Not Yet Used 0

Fossils
Absent 0

Formation
0

Formation
Rhyodacite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks. 0

Composition
0

Mineral Content
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon 0

Compound Content
Ca, Fe, Potassium Oxide, NA, Potassium, Silicon Dioxide 0

Transformation
0

Metamorphism
Yes 0

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism 0

Weathering
Yes 0

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering 0

Erosion
Yes 0

Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion 0

Properties
0

Physical Properties
0

Hardness
5.5-6 0

Grain Size
Fine Grained 0

Fracture
Conchoidal 0

Streak
Black 0

Porosity
Less Porous 0

Luster
Greasy to Dull 0

Compressive Strength
200.50 N/mm2 9

Cleavage
Not Available 0

Toughness
2.1 0

Specific Gravity
2.34-2.40 0

Transparency
Opaque 0

Density
Not Available 0

Thermal Properties
0

Specific Heat Capacity
1.12 kJ/Kg K 7

Resistance
Heat Resistant 0

Reserves
0

Deposits in Eastern Continents
0

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam 0

Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa 0

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland 0

Others
Not Yet Found 0

Deposits in Western Continents
0

North America
Canada, USA 0

South America
Not Yet Found 0

Deposits in Oceania Continent
0

Australia
Not Yet Found 0

Summary >>
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Igneous Rocks

Learn more about Properties of Rhyodacite

What is Rhyodacite? In this section, we will learn more about properties of Rhyodacite i.e. physical and thermal properties. Physical properties of Rhyodacite include Color, Streak, Hardness, Structure, Cleavage, Fracture, Luster, Specific Gravity etc. The strength of Rhyodacite is 200.50 N/mm2. Streak of Rhyodacite is black while its cleavage is not available. Luster of Rhyodacite is greasy to dull and its fracture is conchoidal. Rhyodacite is opaque in nature. Know all about Rhyodacite, What is Rhyodacite, its composition, features, facts and reserves in next sections.

Know about Composition of Rhyodacite

What is Rhyodacite composed of? Get to know about composition of Rhyodacite here. Rhyodacite definition gives information about the Formation of Rhyodacite and its composition.The composition of Rhyodacite can be further divided into mineral and compound content. The mineral content of Rhyodacite rock includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon and The compound content of Rhyodacite rock includes Ca, Fe, Potassium Oxide, NA, Potassium, Silicon Dioxide. Almost all rocks undergo transformation process. Know all about Rhyodacite rock in next section.

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